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==Overview==
[[Image:Bleeding finger.jpg|left|thumbnail|Blood from a finger]]
'''Bleeding''', technically known as '''hemorrhage''' ([[American English]]), '''haemorrhage''' ([[British English]]), or '''hæmorrhage''', is the loss of [[blood]] from the circulatory system.<ref>{{cite web|url=http://www.healthline.com/adamcontent/bleeding|title=Bleeding Health Article|publisher=Healthline|accessdate=2007-06-18}}</ref> Bleeding can occur internally, where blood leaks from [[blood vessel]]s inside the body or externally, either through a natural opening such as the [[vagina]], [[mouth]] or [[rectum]], or through a break in the [[skin]].
The complete loss of blood is referred to as [[exsanguination]],<ref>{{cite web|url=http://dictionary.reference.com/browse/exsanguination|title=Dictionary Definitions of Exsanguination|publisher=Reference.com|accessdate=2007-06-18}}</ref> and [[desanguination]] is a massive blood loss. Loss of 10-15% of total blood volume can be endured without clinical [[sequela]]e in a healthy person, and [[blood donation]] typically takes 8-10% of the donor's blood volume.<ref>{{cite web|url=http://www.blood.co.uk/pages/b36faint.html|title=Blood Donation Information|publisher=UK National Blood Service|accessdate=2007-06-18}}</ref>
== References ==
{{Reflist}}
== See also ==
* [[Aneurysm]]
* [[Coagulation]]
* [[Upper gastrointestinal bleed]]
* [[Vaginal bleeding]]
* [[Intracerebral hemorrhage]] - bleeding in the brain caused by the rupture of a blood vessel within the head. See also [[hemorrhagic stroke]].
* [[Subarachnoid hemorrhage]] (SAH) implies the presence of blood within the [[subarachnoid space]] from some pathologic process. The common medical use of the term SAH refers to the nontraumatic types of hemorrhages, usually from rupture of a berry aneurysm or [[arteriovenous malformation]](AVM). The scope of this article is limited to these nontraumatic hemorrhages.
* [[Intracranial hemorrhage]]
* [[Cerebral hemorrhage]]
* [[Postpartum hemorrhage]]
* [[Hematuria]] - blood in the urine from urinary bleeding
* [[Hemoptysis]] - coughing up blood from the lungs
* [[Hematemesis]] - vomiting fresh blood
* [[Hematochezia]] - rectal blood
* [[Exsanguination]] - death by bleeding
<br>
{{SIB}}
[[Category:Medical emergencies]]
[[Category:Blood]]
[[Category:Hematology]]
[[bg:Кръвоизлив]]
[[bs:Krvarenje]]
[[ca:Hemorràgia]]
[[cs:Krvácení]]
[[de:Blutung]]
[[es:Hemorragia]]
[[eu:Odoljario]]
[[fr:Hémorragie]]
[[it:Emorragia]]
[[he:דימום]]
[[la:Haemorrhagia]]
[[lt:Kraujavimas]]
[[nl:Versterkte bloedingsneiging]]
[[ja:出血]]
[[pl:Krwotok]]
[[pt:Hemorragia]]
[[ro:Hemoragie]]
[[qu:Yawar apariy]]
[[ru:Кровотечение]]
[[sv:Blödning]]
{{WH}}
{{WS}}

Latest revision as of 16:23, 20 June 2011